/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf --buchiautomizer.automaton.type.for.concurrent.programs BUCHI_AUTOMATON -tc ../../../trunk/examples/toolchains/BuchiAutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/POPL2023/sumsumsampleabs.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.3-?-9ecb849-m [2024-02-09 23:25:17,691 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-02-09 23:25:17,770 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Termination-32bit-Automizer_Default.epf [2024-02-09 23:25:17,779 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-02-09 23:25:17,779 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-02-09 23:25:17,780 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.Only consider context switches at boundaries of atomic blocks [2024-02-09 23:25:17,824 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-02-09 23:25:17,825 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-02-09 23:25:17,825 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-02-09 23:25:17,831 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-02-09 23:25:17,831 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-02-09 23:25:17,832 INFO L153 SettingsManager]: * Use SBE=true [2024-02-09 23:25:17,832 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-02-09 23:25:17,833 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-02-09 23:25:17,833 INFO L153 SettingsManager]: * Use old map elimination=false [2024-02-09 23:25:17,833 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-02-09 23:25:17,834 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-02-09 23:25:17,834 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-02-09 23:25:17,834 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-02-09 23:25:17,834 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-02-09 23:25:17,835 INFO L153 SettingsManager]: * sizeof long=4 [2024-02-09 23:25:17,836 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-02-09 23:25:17,837 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-02-09 23:25:17,837 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-02-09 23:25:17,838 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-02-09 23:25:17,838 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-02-09 23:25:17,838 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-02-09 23:25:17,838 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-02-09 23:25:17,839 INFO L153 SettingsManager]: * sizeof long double=12 [2024-02-09 23:25:17,839 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-02-09 23:25:17,840 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-02-09 23:25:17,840 INFO L153 SettingsManager]: * Use constant arrays=true [2024-02-09 23:25:17,840 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-02-09 23:25:17,840 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-02-09 23:25:17,840 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-02-09 23:25:17,841 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-02-09 23:25:17,841 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-02-09 23:25:17,841 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-02-09 23:25:17,842 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: Automaton type for concurrent programs -> BUCHI_AUTOMATON [2024-02-09 23:25:18,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-02-09 23:25:18,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-02-09 23:25:18,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-02-09 23:25:18,164 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-02-09 23:25:18,165 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-02-09 23:25:18,166 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sumsumsampleabs.bpl [2024-02-09 23:25:18,166 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/POPL2023/sumsumsampleabs.bpl' [2024-02-09 23:25:18,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-02-09 23:25:18,199 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-02-09 23:25:18,200 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-02-09 23:25:18,200 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-02-09 23:25:18,200 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-02-09 23:25:18,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:25:18" (1/1) ... [2024-02-09 23:25:18,217 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:25:18" (1/1) ... [2024-02-09 23:25:18,236 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-02-09 23:25:18,237 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-02-09 23:25:18,250 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-02-09 23:25:18,251 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-02-09 23:25:18,251 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-02-09 23:25:18,259 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:25:18" (1/1) ... [2024-02-09 23:25:18,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:25:18" (1/1) ... [2024-02-09 23:25:18,279 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:25:18" (1/1) ... [2024-02-09 23:25:18,280 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:25:18" (1/1) ... [2024-02-09 23:25:18,284 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:25:18" (1/1) ... [2024-02-09 23:25:18,289 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:25:18" (1/1) ... [2024-02-09 23:25:18,291 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:25:18" (1/1) ... [2024-02-09 23:25:18,292 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:25:18" (1/1) ... [2024-02-09 23:25:18,293 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-02-09 23:25:18,294 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-02-09 23:25:18,295 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-02-09 23:25:18,295 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-02-09 23:25:18,295 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:25:18" (1/1) ... [2024-02-09 23:25:18,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-02-09 23:25:18,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-02-09 23:25:18,338 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-02-09 23:25:18,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-02-09 23:25:18,384 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum1 given in one single declaration [2024-02-09 23:25:18,384 INFO L130 BoogieDeclarations]: Found specification of procedure sum1 [2024-02-09 23:25:18,384 INFO L138 BoogieDeclarations]: Found implementation of procedure sum1 [2024-02-09 23:25:18,384 INFO L124 BoogieDeclarations]: Specification and implementation of procedure sum2 given in one single declaration [2024-02-09 23:25:18,384 INFO L130 BoogieDeclarations]: Found specification of procedure sum2 [2024-02-09 23:25:18,384 INFO L138 BoogieDeclarations]: Found implementation of procedure sum2 [2024-02-09 23:25:18,385 INFO L124 BoogieDeclarations]: Specification and implementation of procedure bank given in one single declaration [2024-02-09 23:25:18,385 INFO L130 BoogieDeclarations]: Found specification of procedure bank [2024-02-09 23:25:18,385 INFO L138 BoogieDeclarations]: Found implementation of procedure bank [2024-02-09 23:25:18,385 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-02-09 23:25:18,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-02-09 23:25:18,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-02-09 23:25:18,385 INFO L124 BoogieDeclarations]: Specification and implementation of procedure mapAbs given in one single declaration [2024-02-09 23:25:18,385 INFO L130 BoogieDeclarations]: Found specification of procedure mapAbs [2024-02-09 23:25:18,386 INFO L138 BoogieDeclarations]: Found implementation of procedure mapAbs [2024-02-09 23:25:18,386 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-02-09 23:25:18,454 INFO L236 CfgBuilder]: Building ICFG [2024-02-09 23:25:18,456 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2024-02-09 23:25:18,603 INFO L277 CfgBuilder]: Performing block encoding [2024-02-09 23:25:18,622 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-02-09 23:25:18,622 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2024-02-09 23:25:18,623 WARN L332 CfgBuilder]: Unexpected successor node of atomic block begin: bankEXIT is neither atomic block end nor error location. [2024-02-09 23:25:18,624 INFO L201 PluginConnector]: Adding new model sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 11:25:18 BoogieIcfgContainer [2024-02-09 23:25:18,624 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-02-09 23:25:18,625 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-02-09 23:25:18,625 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-02-09 23:25:18,631 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-02-09 23:25:18,631 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 23:25:18,631 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 11:25:18" (1/2) ... [2024-02-09 23:25:18,632 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@241d1199 and model type sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.02 11:25:18, skipping insertion in model container [2024-02-09 23:25:18,633 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-02-09 23:25:18,633 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 11:25:18" (2/2) ... [2024-02-09 23:25:18,636 INFO L332 chiAutomizerObserver]: Analyzing ICFG sumsumsampleabs.bpl [2024-02-09 23:25:18,698 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-02-09 23:25:18,720 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 41 places, 36 transitions, 94 flow [2024-02-09 23:25:18,743 INFO L124 PetriNetUnfolderBase]: 4/28 cut-off events. [2024-02-09 23:25:18,744 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-02-09 23:25:18,749 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 28 events. 4/28 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 50 event pairs, 0 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 35. Up to 2 conditions per place. [2024-02-09 23:25:18,749 INFO L82 GeneralOperation]: Start removeDead. Operand has 41 places, 36 transitions, 94 flow [2024-02-09 23:25:18,753 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 37 places, 28 transitions, 74 flow [2024-02-09 23:25:18,763 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2024-02-09 23:25:18,764 INFO L304 stractBuchiCegarLoop]: Hoare is false [2024-02-09 23:25:18,764 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-02-09 23:25:18,764 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-02-09 23:25:18,764 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-02-09 23:25:18,764 INFO L308 stractBuchiCegarLoop]: Difference is false [2024-02-09 23:25:18,764 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-02-09 23:25:18,764 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-02-09 23:25:18,766 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2024-02-09 23:25:18,951 INFO L131 ngComponentsAnalysis]: Automaton has 241 accepting balls. 453 [2024-02-09 23:25:18,951 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 23:25:18,951 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 23:25:18,961 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2024-02-09 23:25:18,962 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-02-09 23:25:18,963 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-02-09 23:25:18,963 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 546 states, but on-demand construction may add more states [2024-02-09 23:25:18,988 INFO L131 ngComponentsAnalysis]: Automaton has 241 accepting balls. 453 [2024-02-09 23:25:18,988 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-02-09 23:25:18,988 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-02-09 23:25:18,989 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1] [2024-02-09 23:25:18,989 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-02-09 23:25:18,993 INFO L748 eck$LassoCheckResult]: Stem: 44#[$Ultimate##0]don't care [100] $Ultimate##0-->L44: Formula: (= v_bankThread1of1ForFork0_thidvar0_2 1) InVars {} OutVars{bankThread1of1ForFork0_thidvar0=v_bankThread1of1ForFork0_thidvar0_2} AuxVars[] AssignedVars[bankThread1of1ForFork0_thidvar0] 47#[L66, L44]don't care [2024-02-09 23:25:18,994 INFO L750 eck$LassoCheckResult]: Loop: 47#[L66, L44]don't care [92] L44-->L44: Formula: (= (store (store v_B_7 (+ (- 1) v_i1_8) v_sum1_7) (+ (- 1) v_i2_12) v_sum2_11) v_B_5) InVars {sum1=v_sum1_7, i1=v_i1_8, sum2=v_sum2_11, i2=v_i2_12, B=v_B_7} OutVars{sum1=v_sum1_7, i1=v_i1_8, sum2=v_sum2_11, i2=v_i2_12, B=v_B_5} AuxVars[] AssignedVars[B] 47#[L66, L44]don't care [2024-02-09 23:25:19,004 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:25:19,004 INFO L85 PathProgramCache]: Analyzing trace with hash 131, now seen corresponding path program 1 times [2024-02-09 23:25:19,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:25:19,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814732608] [2024-02-09 23:25:19,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:25:19,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:25:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:25:19,074 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:25:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:25:19,093 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:25:19,096 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:25:19,096 INFO L85 PathProgramCache]: Analyzing trace with hash 123, now seen corresponding path program 1 times [2024-02-09 23:25:19,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:25:19,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559931517] [2024-02-09 23:25:19,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:25:19,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:25:19,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:25:19,105 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:25:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:25:19,111 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:25:19,112 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2024-02-09 23:25:19,112 INFO L85 PathProgramCache]: Analyzing trace with hash 4153, now seen corresponding path program 1 times [2024-02-09 23:25:19,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-02-09 23:25:19,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321494217] [2024-02-09 23:25:19,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-02-09 23:25:19,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-02-09 23:25:19,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:25:19,119 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:25:19,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:25:19,124 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-02-09 23:25:19,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:25:19,181 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-02-09 23:25:19,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-02-09 23:25:19,203 INFO L201 PluginConnector]: Adding new model sumsumsampleabs.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.02 11:25:19 BoogieIcfgContainer [2024-02-09 23:25:19,203 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-02-09 23:25:19,205 INFO L158 Benchmark]: Toolchain (without parser) took 1005.32ms. Allocated memory was 165.7MB in the beginning and 285.2MB in the end (delta: 119.5MB). Free memory was 131.4MB in the beginning and 212.3MB in the end (delta: -80.9MB). Peak memory consumption was 38.0MB. Max. memory is 8.0GB. [2024-02-09 23:25:19,206 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.12ms. Allocated memory is still 165.7MB. Free memory is still 132.5MB. There was no memory consumed. Max. memory is 8.0GB. [2024-02-09 23:25:19,207 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.51ms. Allocated memory was 165.7MB in the beginning and 285.2MB in the end (delta: 119.5MB). Free memory was 131.4MB in the beginning and 260.3MB in the end (delta: -128.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-02-09 23:25:19,207 INFO L158 Benchmark]: Boogie Preprocessor took 43.22ms. Allocated memory is still 285.2MB. Free memory was 260.3MB in the beginning and 261.4MB in the end (delta: -1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-02-09 23:25:19,208 INFO L158 Benchmark]: RCFGBuilder took 329.93ms. Allocated memory is still 285.2MB. Free memory was 261.4MB in the beginning and 250.1MB in the end (delta: 11.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-02-09 23:25:19,208 INFO L158 Benchmark]: BuchiAutomizer took 578.21ms. Allocated memory is still 285.2MB. Free memory was 249.8MB in the beginning and 212.3MB in the end (delta: 37.5MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2024-02-09 23:25:19,211 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12ms. Allocated memory is still 165.7MB. Free memory is still 132.5MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.51ms. Allocated memory was 165.7MB in the beginning and 285.2MB in the end (delta: 119.5MB). Free memory was 131.4MB in the beginning and 260.3MB in the end (delta: -128.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 43.22ms. Allocated memory is still 285.2MB. Free memory was 260.3MB in the beginning and 261.4MB in the end (delta: -1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 329.93ms. Allocated memory is still 285.2MB. Free memory was 261.4MB in the beginning and 250.1MB in the end (delta: 11.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * BuchiAutomizer took 578.21ms. Allocated memory is still 285.2MB. Free memory was 249.8MB in the beginning and 212.3MB in the end (delta: 37.5MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.4s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 41]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L66] FORK 0 fork 1 bank(); Loop: [L45] B[i1 - 1] := sum1; [L46] B[i2 - 1] := sum2; End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 41]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L66] FORK 0 fork 1 bank(); Loop: [L45] B[i1 - 1] := sum1; [L46] B[i2 - 1] := sum2; End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-02-09 23:25:19,233 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...